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Tungsten Disulfide(WS2)

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  Post Date: Dec 17,2024
  Expiry Date: Jun 15,2025
  Detailed Description: Cas No. :12138-09-9 Tungsten Disulfide WS2

General Grades

- Typical values -


Chemical properties

WS2 > 99.9 %
W ca. 74.14 %
S (total) ca. 25.80 %
S (free) ca. 0.02 %
H2O ca. 0.04 %
Fe < 0.0002 %
Al < 0.0001 %
Cu < 0.0002 %
Mo < 0.0011 %
Si < 0.0002 %
Mg < 0.0002 %
Ca < 0.0002 %
Ni < 0.0001 %
C < 0.001 %

Physical properties

Grade 1 Grade 2 Grade Nano Grade 3-5 Micron
Spec. surface area m2/g ca. 4.6 ca. 3.03 Ca. 8.5064 Ca. 2.8972
F.S.S.S. (particle size) µm ca. 0.5 – 0.7 ca. 0.8 – 1.1 <0.0023 Ca. 3.4~5
Tamped density g/cm3 ca. 2.04 ca. 2.63 ---- ----
Bulk density g/cm3 ca. 0.44 ca. 0.8 Ca. 7.88 Ca.12.83

Grain size distribution

Grade 1 Grade 2 Grade Nano Grade 3-5 Micron
D 10 % µm ca. 0.41 – 1 ca. 1 – 3 ---- Ca. 5-8
D 50 % µm ca. 1 – 4 ca. 6 – 9 ---- Ca. 18-23
D 90 % µm ca. 4 – 8 ca. 14 – 17 ---- Ca.34-43
Mean diameter µm ca. 7 – 10 ca. 7 – 10 Ca. 0.08 Ca. 20-50




The above mentioned values are typical data which vary in accordance to tolerances in production. They only serve to describe the material and are no guaranteed properties.

  CAS Registry Number:

12138-09-9
  Synonyms: ;Tungsten sulfide (WS2);Tungsten disulphide;dithioxotungsten;tungsten(4+) disulfide;Tungsten disulfide;
  Molecular Formula: S2W
  Molecular Weight: 247.97
  Molecular Structure: 12138-09-9 tungsten disulphide

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